meserole



(No Model.)

A. V. MBSEROLE.

SECONDARY BATTERY BLBCfmoDB.` No. 399,274. Patented Mar. .12, 1889.

Mag-5"" N, PETERS. Pmmmnogmpnur. wnnmgwn. n. a

"Nrrnn STATES ABRAHAM Y.

MESERL l,

(")F NIV YORK, N. Y.

SECONDARY-BATTERY ELECTRODE.

SPECIFICATION forming part of Letters Patent No. 399,274, dated March12, 1889.

Application filed December 26, 1888. Serial No. 294,644. (No modelo Toall whom t may concern.-

Be it known that l, Aenaniun Y'. Allnsnnoiin, a citizen of the linitedStates, residing atNew York, eounty ot' New York, and State oi" NewYork, have invented certain new and useful Improvements inlatterylllectrodes, tull;v del scribed and rel'n'esented in thefollowing specification and the aeeompanyi ngdrawings, torming a partot' the same.

This invention relates to the mmstrnetion ot' electrodes available i'orboth primary and secondariv batteries, the inventitm, as herein shownand described, lieing, however, more particularly adapted l'or use insecondariv or storage batteries.

lt has been lound advantageous in lioth classes oll battery to 'onstruetthe electrodes in a i'orm that will, provide a large surt'ace l'orcontact with the contained alisorllent or del polarizing material and atthe same time retain the material seenrelvand allowthe tluid oreleetrolyte tree access to and circulation allout the electrode and theact ive or depolarizing material contained in it.

lt is desirallle to havethe elect rodes soeonstructtal that the cleetrieeurrent,in passing through, into, or out o' the electrode, will lie sodistrilnlted and eomlueted as to act upon every part ol the containedmaterialA trode and lrv admitting ol l'ree access and Circulation ot'the electrolyte ahove the do posited material eontainet'l within theelectrode.

lhe olrject ol the present invention is also to acfgfomplish theseresults in a simple and convenient niailner, therel \r prmlncing anefficient and durable lnuteri lioth mw'hanieally and electrically.

A full urnlerstanding ot the present invention can he best; given h v anillustration and a detailed description ot an electrode embodying thesame. All. further 'preliininaryv description will. therefore be omittedand a f t'ull description given, reference being had to the accompanyingdrawings, in whiel1-- Figure l is a side view of an electrodeconstrneted according to the present invention,

This 1 is accomplished in a novel manner lrv the present invention h vhavingl a large surl'aco f otcontact lietwecn the a'lisorhent or depollarizer and the er'mdueting-lied)- olf the elec- 1 l Fig. 2 a verticalsection ol the same, taken on the line i of Figui. ',liig. Si is asimilar view l illustrating a change in the construction which will herei'mfred to. l `ig. -ilf is a simii lar view showing another changewhich may he made.

.teterring lo said tigures, it is to lie understood that the electrodetherein illustrated is ot composite li'orm, it being composed of aplurality oll parts which are in the completed article so securedtogether as to provide perl'eet nnelni'nieal and electrical union.

'l`he main part ol' the electrode consists oll a plate, A, whieh. il theelectrode is to he used in a secondaryv battery.y is composed ot' leador an alloy ol' lead or other similar Suitalile material. This plate isprovided with a numlier ol openings which extend through l'rom side toside. 'lhe openings in the plate A are so arranged thatV the majorityoli' the l openings are separated lrv only comparai tivel)- thin walls,thus giving a. great amount ,t ol exposed surf'acewith acomparativelvsniall l amount oli' metal. At intervals, l1o\vever,the l lwalls lietween the openings are made comparativelyv thick, as shown, soas to give the requisite slil'l'ness to the plate. l'iocatied uponopposite sides olI the plate A are thin plates li, composed otI ain)li-corrodingalloy of lead, and provided with small openiilgsl), whichopeniuto the ehamllers or cavities o, `formed Irv the openings ot' theplate A. The openings t; are so lofi-ated as to communicate with theupper portions ot' the ehamliers (l and altord direct commnnicationthrough the electrode at those points. lfor the purpose of se curing theplates l to the plate A, the latter is provided in its manufacture witha suitalile numlier ol` studs, i), which project from its opposite lacesand pass through openings tol-med in the lrllates l5, and after theplates t l have heen phat-ed in position these studs are melted andburned down so as to form la homogeneous union between the plates, lthus making a perfect mechanieal and eleci trieal connection. liv thisconstruction free circulation is allor `led through the openings i) andchambers o, from one side to the otherof t the eleetjrodeat a largenumherof points,tlius g providing for perfect circulation in the batltory, and the interiors of the chambers o be- TOO ing exposed to thefluid of the battery provides an exceedingly large surface for thepassages of the current from the electrode to the fluid, and vice versa,and at. the same time the construction which has been described providesan exceedingly rigid, simple, and inexpensive electrode.

In the case of secondary batteries the chambers a may be filled belowthe openings b with oxide of lead or other active material, where suchmaterial is required. In the case of primary batteries the plates A Bwill of course be composed of suitable material for such batteries, andthe chambers u may in such case contain a suitable depolarizer.

In the case of secondary batteries the electrodes thus constructed maybeprovided with fenders 3,by which the several electrodes Will beprevented from coming into electrical contact with each other. Thesefenders consist of rods of glass or other non-conducting material, whichpass through the electrode and are held in position by nuts and washers4. In the case'of primary batteries the fenders 3 and nuts and washers 4will in some cases be all that is required to properly join the plates AB.

The construction which has been described 4is the preferred one; but insome cases one of the plates B may be made integral with the plate A, asindicated in Fig. 3, and such construction is in a broad sense to beconsidered as the equivalent of that first described.

. lVhere the plates B are referred to as located upon opposite sides ofthe plate A, it is to be understood that such expression is intended toinclude said plates, whether made integral with or separate from theplate A; also it will in some cases be preferable to surround theopenings b with inwardly-projecting flanges 5, as indicated in Fig. et,which will serve to prevent the active material or the depolarizingmaterial contained in the chambers a from being so readily washed out ofthe chambers or otherwise displaced.

lVhat I claim isl. The herein-describe l composite electrode, consistingof a plate, A, perforated to provide chambers a, and plates B, locatedupon the opposite sides of said plate A, and having openings b,communicating with the chambers CL and of less size than said chambers,substan* tially as described.

2. The hereinedescribed electrode, consist ing of the plate A,perforated to provide cham'- bers a and having studs 2, and the plate orplates B, secured to said plate Aby said studs 2 and having' openings b,which communicate with the chambers a,but are of less size than saidchambers, substantially as described.

3. The herein-described composite electrode, consisting of a plate, A,perforated to provide chambers c, and plates B, located upon theopposite sides of said plates A, and having openin gs 1'), commu nicating with the Chamb ers a, surrounded byinwardly-projecting flanges 5 andof less size than said chambers, substantially as described.

4. The herein-described composite electrode, consisting of a plate, A,perforated to provide chambers a., which are separated by walls ofdifferent thicknesses in different parts of the plate, and plates B,located upon the opposite sides of said plate A, and having openings b,communicating with the chambers ay and of less size than said chambers,substantially as described.

In testimony whereof I have hereunto set my hand in the presence of twosubscribing' witnesses.

ABRAHAM V. MESEROLE. lVitnesses:

T. H. PALMER, G. M. BoRs'r.

